19869056

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 43843680

約数和(自身を除く): 23974624

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 64, 68, 92, 128, 136, 184, 272, 368, 391, 397, 544, 736, 782, 794, 1088, 1472, 1564, 1588, 2176, 2944, 3128, 3176, 6256, 6352, 6749, 9131, 12512, 12704, 13498, 18262, 25024, 25408, 26996, 36524, 50048, 50816, 53992, 73048, 107984, 146096, 155227, 215968, 292192, 310454, 431936, 584384, 620908, 863872, 1168768, 1241816, 2483632, 4967264, 9934528, 19869056]

約数ペア:

[(1, 19869056), (2, 9934528), (4, 4967264), (8, 2483632), (16, 1241816), (17, 1168768), (23, 863872), (32, 620908), (34, 584384), (46, 431936), (64, 310454), (68, 292192), (92, 215968), (128, 155227), (136, 146096), (184, 107984), (272, 73048), (368, 53992), (391, 50816), (397, 50048), (544, 36524), (736, 26996), (782, 25408), (794, 25024), (1088, 18262), (1472, 13498), (1564, 12704), (1588, 12512), (2176, 9131), (2944, 6749), (3128, 6352), (3176, 6256)]